Journal
CATALYSIS TODAY
Volume 176, Issue 1, Pages 144-148Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cattod.2011.01.028
Keywords
Water gas shift; Cu/ZnO/Al2O3 catalyst; Alkali metals; Methanol formation
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The following contribution shows the results of investigations on an influence of alkali metals compounds on physicochemical and catalytic properties as well as the most important operating parameters of Cu/ZnO/Al2O3 system, with a composition being similar to typical industrial heterogeneous catalysts for LT-WGS process. The addition of cesium or potassium to the Cu/ZnO/Al2O3 catalyst causes a decrease of copper surface. It gives remarkable inhibition of methanol synthesis, accompanying by a relatively small influence on the activity towards WGS. (C) 2011 Elsevier B.V. All rights reserved.
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